MigraineHeadaches.com notes that the meaning of migraine is "half-head". Migraines result from vascular, muscular or hormonal dysfunction in the body. Migraines cause severe pain to one or both sides of the head alternately, as well as sensitivity...
There are two ways that nerves exit the central nervous system and become part of the peripheral nervous system--through openings in the vertebrae of the spine or through openings in the skull, or cranium. Twelve cranial nerves conduct signals to...
There are two major nerves in the face: the facial and trigeminal nerves. According to the Face and Emotion website, the facial, or seventh cranial nerve, carries the signals that control the muscles of expression of the face. The trigeminal, or...
Sinus surgery has come a long way in the last century. The American Academy of Otolaryngology explains that surgical procedures in the early 20th century required entering the sinus through an incision in the cheek, which could leave the patient...
Of the 12 cranial nerves that exit from the brain through openings in the skull, five serve functions having to do with the mouth. Some of these are sensory nerves, which allow the brain to detect sensation in and around the mouth. Some are motor...
There are 12 paired cranial nerves that exit the skull under the brain's surface that extend to various parts of the head, neck, chest and abdomen. The cranial nerves comprises three nerve types: motor nerves that send an impulse signal to a...
The trigeminal nerve is the fifth of 12 nerves that exit from the brain through openings in the skull rather than through the spinal column, as other nerves do. These 12 nerves are known as cranial nerves. The trigeminal nerve is named for its...
